huangyhg

bool GetBodyChordTolerance(double & chordTolerance)
{
bool result = false;
if (!m_dFace)
return result;

IFACE swFace(m_dFace);
LPDISPATCH dBody = swFace.GetBody();
swFace.DetachDispatch();

if (!dBody)
return result;
if (m_pSolidWorksGeom->m_dPreBody == dBody)
{
chordTolerance = m_pSolidWorksGeom->m_swChordTolerance;
result = true;
return result;
}
// get new chord tolerance if new body
m_pSolidWorksGeom->m_dPreBody = dBody;
IBODY swBody (dBody);
VARIANT faceList;
VariantInit (&faceList);
LPDISPATCH dTessellation = swBody.GetTessellation(faceList);
swBody.DetachDispatch();
if (dTessellation)
{

ITESSELLATION swTessellation (dTessellation);
chordTolerance = swTessellation.GetCurveChordTolerance();
swTessellation.DetachDispatch();
m_pSolidWorksGeom->m_swChordTolerance = chordTolerance;

result = true ;
}

return result;
}